Home / 45,327.03-62,500.88-30,989.20

Finding the Fourth Proportional to 45,327.03, 62,500.88 and 30,989.20

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Solution

The fourth proportional to 45,327.03, 62,500.88 and 30,989.20 is: 42,730.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,327.03 : 62,500.88 = 30,989.20 : x
  2. Step 2: Convert to fraction form
    45,327.03/62,500.88 = 30,989.20/x
  3. Step 3: Cross multiply
    45,327.03x = 62,500.88 × 30,989.20
  4. Step 4: Simplify right side
    45,327.03x = 1,936,852,270.50
  5. Step 5: Solve for x
    x = 1,936,852,270.50/45,327.03
  6. Step 6: Final answer
    x = 42,730.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.